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Add 4/42 and 3/45

4/42 + 3/45 is 17/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630
  2. For the 1st fraction, since 42 × 15 = 630,
    4/42 = 4 × 15/42 × 15 = 60/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    3/45 = 3 × 14/45 × 14 = 42/630
  4. Add the two fractions:
    60/630 + 42/630 = 60 + 42/630 = 102/630
  5. After reducing the fraction, the answer is 17/105

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